13/x=7

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Solution for 13/x=7 equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

13/x = 7 // - 7

13/x-7 = 0

13*x^-1 = 7 // : 13

x^-1 = 7/13

-1 < 0

1/(x^1) = 7/13 // * x^1

1 = 7/13*x^1 // : 7/13

13/7 = x^1

x = 13/7

x = 13/7

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